Embodiments pertain to a method for use with a musical piece, or part thereof, comprising: presenting, by at least one client device to a plurality of users, a corresponding plurality of sequences of musical symbols to be cooperatively played by the plurality of users using a plurality of instruments; capturing instrument outputs produced by the plurality of instruments to generate audio data descriptive of the captured instrument outputs; analyzing the audio data for determining a level of correspondence between the captured instrument outputs and the plurality of musical symbols presented to the plurality of users; and presenting, based on the level of correspondence, an adapted or non-adapted sequence of music symbols to at least one of the plurality of players.